python - Exporting Images from Vincent in ipython -


i've been using vincent in python make choropleth maps, i'd make them images use presentation. know how this? below code i'm using:

county_borders = r'us_counties.topo.json' geo_data = [{'name': 'counties',          'url': county_borders,          'feature': 'us_counties.geo'}] choro_pop = vincent.map(data=counties_only, geo_data=geo_data, scale=1500, projection='albersusa',       data_bind='census2010pop', data_key='fips',       map_key={'counties': 'properties.fips'}) choro_pop.marks[0].properties.enter.stroke_opacity = valueref(value=0.5) choro_pop.rebind(column = 'estimatesbase2010', brew = 'orrd') choro_pop.to_json('counties_population_choropleth.json', html_out=true, html_path='counties_population_choropleth.html') choro_pop.display()

this gives me map in ipython notebook (yay!) , outputs both html file , .json file. html file "scaffold" doesn't contain data can tell, , doesn't display when opened in browser (i've tried chrome).

the .json file know dictionary-like, i'm not sure how use draw nice image.

thanks!

edit1: what's in html file

<html>   <head>     <title>vega scaffold</title>     <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script>     <script src="http://d3js.org/topojson.v1.min.js"></script>     <script src="http://d3js.org/d3.geo.projection.v0.min.js" charset="utf-8">    </script>     <script src="http://trifacta.github.com/vega/vega.js"></script>   </head>   <body>     <div id="vis"></div>   </body> <script type="text/javascript"> // parse spec , create visualization view function parse(spec) {   vg.parse.spec(spec, function(chart) { chart({el:"#vis"}).update(); }); } parse("counties_population_change_choropleth.json"); </script> </html>


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